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Title: Project 8: Precision Electron Specroscopy to Measure the Mass of the Neutrino

The Project 8 Collaboration is exploring a new technique for the spectroscopy of medium-energy electrons (* 1 – 100 keV) with the ultimate goal of measuring the effective mass of the electron antineutrino by the tritium endpoint method. Our method is based on the detection of microwave-frequency cyclotron radiation emitted by magnetically trapped electrons. The immediate goal of Project 8 is to demonstrate the utility of this technique for a tritium endpoint experiment through a high-precision measurement of the conversion electron spectrum of 83mKr. We present concepts for detecting this cyclotron radiation, focusing on a guided wave design currently being implemented in a prototype apparatus at the University of Washington.
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Conference: 11th Conference on the Intersections of Particle and Nuclear Physics (CIPANP 2012), May 29-June 3, 2012, St. Petersburg, Florida. AIP Conference Proceedings, 1560:237-239
B Flemming; American Institute of Physics, Melville, NY, United States(US).
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Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
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Country of Publication:
United States
neutrino, tritium, beta decay, krypton-83, conversion electron, electron spectroscopy, cyclotron radiation, waveguide